11
USER MANUAL
Values are for 12V use.
SPECIFICATIONS
8
1
Electrical Parameters
1-1 Rated solar panel amps
10/15/20 Max. AMP
1-2 Normal input Solar cell array voltage
15-22
VDC
1-3 Max. solar cell array voltage (output has no load)
25
Max. VDC
1-4
The controller lowest operating voltage at solar or battery side
8V
Min VDC
1-5 Standby current consumption at night
5
Max
mA
1-6 Maximum voltage drop-Solar panel to battery
0.25
Max. VDC
2
Charging characteristics
2-1 Minimum battery start charging voltage
3
Min
VDC
2-2 Soft start charging voltage
3-10
+/-0.2 VDC
2-3 Soft start charging current (50% PWM duty)
Up to 15
AMP
2-4 Bulk charge voltage
10-14.0 +/-0.2 VDC
2-5 Absorption charging voltage at 25*C
--Gel type battery
14.1
+/-0.2 VDC
--AGM type battery (default setting)
14.4
+/-0.2 VDC
--WET type battery
14.7
+/-0.2 VDC
--Calcium type battery
14.9
+/-0.2 VDC
2-6 Absorption transits to Equalizing or Float condition:
--Charging current drops to
0.5
+/0.1 AMP
-- or Absorption charging timer timed out
4
Hour
2-7 Equalization charging active
--Only for WET or Calcium battery
--Battery voltage discharged to less than
10
+/-0.2 VDC
--Automatic equalizing charging periodical
28
Day
2-8 Equalization charging voltage at 25*C
15.5
+/-0.2 VDC
2-9 Equalization charging timer timed out
2
Hour
2-10 Float charging voltage at 25°C
13.6
+/-0.2 VDC
2-11 Voltage control accuracy
+/- 1%
2-12 Battery temperature compensation coefficient
-24
mV/°C
2-13 Temperature compensation range
-20 ~ +50
°C
3 Protection
3-1 Against reverse polarity or short circuit
3-2 No reverse current from battery to solar at night
3-3 Over temperature protection during charging
65
°C
4
Electrical parts
4-1 Input output terminal
M5 terminals
4-2 Temperature sensor port (Press and Release type)
DA 250-350 2P
5
Physical Parameters
5-1
Controller material
Plastic, Standard ABS
5-2 Power terminal maximum stranded wire size
#12 AWG stranded-3 mm
2
5-3 Mounting
Vertical wall mounting
5-4 IP grade
IP22 or IP65
5-5 Net weight
Approx. 300g
6
Environmental characteristics
6-1 Operating temperature
-25 ~ 50*C
6-2 Storage temperature
-40 ~ 85*C
6-3 Operating Humidity range
100% no condensation
Remarks: Values are for 12V use, x 2 for 24V use
SPECIFICATIONS
20
8
1
Electrical Parameters
1-1 Rated solar panel amps
10/15/20 Max. AMP
1-2 Normal input Solar cell array voltage
15-22
VDC
1-3 Max. solar cell array voltage (output has no load)
25
Max. VDC
1-4
The controller lowest operating voltage at solar or battery side
8V
Min VDC
1-5 Standby current consumption at night
5
Max
mA
1-6 Maximum voltage drop-Solar panel to battery
0.25
Max. VDC
2
Charging characteristics
2-1 Minimum battery start charging voltage
3
Min
VDC
2-2 Soft start charging voltage
3-10
+/-0.2 VDC
2-3 Soft start charging current (50% PWM duty)
Up to 15
AMP
2-4 Bulk charge voltage
10-14.0 +/-0.2 VDC
2-5 Absorption charging voltage at 25*C
--Gel type battery
14.1
+/-0.2 VDC
--AGM type battery (default setting)
14.4
+/-0.2 VDC
--WET type battery
14.7
+/-0.2 VDC
--Calcium type battery
14.9
+/-0.2 VDC
2-6 Absorption transits to Equalizing or Float condition:
--Charging current drops to
0.5
+/0.1 AMP
-- or Absorption charging timer timed out
4
Hour
2-7 Equalization charging active
--Only for WET or Calcium battery
--Battery voltage discharged to less than
10
+/-0.2 VDC
--Automatic equalizing charging periodical
28
Day
2-8 Equalization charging voltage at 25*C
15.5
+/-0.2 VDC
2-9 Equalization charging timer timed out
2
Hour
2-10 Float charging voltage at 25°C
13.6
+/-0.2 VDC
2-11 Voltage control accuracy
+/- 1%
2-12 Battery temperature compensation coefficient
-24
mV/°C
2-13 Temperature compensation range
-20 ~ +50
°C
3 Protection
3-1 Against reverse polarity or short circuit
3-2 No reverse current from battery to solar at night
3-3 Over temperature protection during charging
65
°C
4
Electrical parts
4-1 Input output terminal
M5 terminals
4-2 Temperature sensor port (Press and Release type)
DA 250-350 2P
5
Physical Parameters
5-1
Controller material
Plastic, Standard ABS
5-2 Power terminal maximum stranded wire size
#12 AWG stranded-3 mm
2
5-3 Mounting
Vertical wall mounting
5-4 IP grade
IP22 or IP65
5-5 Net weight
Approx. 300g
6
Environmental characteristics
6-1 Operating temperature
-25 ~ 50*C
6-2 Storage temperature
-40 ~ 85*C
6-3 Operating Humidity range
100% no condensation
Remarks: Values are for 12V use, x 2 for 24V use
SPECIFICATIONS
--LITHIUM type battery
14 .25
+/-0 .2
VDC
Summary of Contents for KT70743
Page 11: ...6 10 USER MANUAL ABNORMAL OPERATION MODE SOLAR CONTROLLER WIRING DIAGRAM...
Page 14: ...13 USER MANUAL...
Page 15: ...8 14 USER MANUAL...
Page 16: ...15 USER MANUAL...
